Investigation of hydrazine addition to functionalized furans:: synthesis of new functionalized 4,4′-bipyrazole derivatives

被引：30

作者：

Bakavoli, Mehdi ^{[1
]}

Feizyzadeh, Babak ^{[1
]}

Rahimizadeh, Mohammad ^{[1
]}

机构：

[1] Ferdowsi Univ Mashhad, Sch Sci, Dept Chem, Mashhad 91375, Iran

来源：

TETRAHEDRON LETTERS | 2006年 / 47卷 / 50期

关键词：

hydrazine; furan; bipyrazole; furopyridazine; ring opening;

D O I：

10.1016/j.tetlet.2006.10.037

中图分类号：

O62 [有机化学];

学科分类号：

070303 [有机化学]; 081704 [应用化学];

摘要：

The addition of hydrazine to functionalized furans 2a-d leads to a variety of 4,4'-bipyrazoles 4a-c depending on the structure of the starting materials. In one example, compound 2c was first converted to an intermediate, furo[3,4-d]pyridazine 3c which was then transformed into 4,4'-bipyrazole 4c on reacting with hydrazine. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：8965 / 8968

页数：4

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